PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/26-20:12:50
G07     315.8          52.0               10.7 +/-    0.76      13.2 +/-    0.76  0.040 / 0.050
G08     120.8          43.6               11.8 +/-    0.53      16.2 +/-    0.53  0.030 / 0.050
G09     287.9          81.5               12.9 +/-    0.26      13.0 +/-    0.26  0.140 / 0.490
G16     42.4           25.1                8.8 +/-    2.13      17.2 +/-    2.13  0.330 / 0.280
G23     147.8          61.4               11.9 +/-    0.35      13.4 +/-    0.35  0.030 / 0.020
G27     77.3           38.0                9.4 +/-    1.23      14.1 +/-    1.23  0.030 / 0.030
G28     225.6          12.5                7.0 +/-   20.16      18.6 +/-   20.16  0.050 / 0.060
G30     288.7          24.4               10.8 +/-    1.53      21.3 +/-    1.53  0.060 / 0.050